To tighten the Connecticut Senate race: Richard Blumenthal, Connecticut’s Democratic attorney general, who had held a double-digit lead in polls for Chris Dodd’s seat, has publicly spoken of serving in Vietnam, but never did, the New York Times reports. Military records show that Blumenthal got at least five deferments before spending a year in a Marine Reserves unit that “focused on local projects, like fixing a campground and organizing a Toys for Tots drive.”

To ponder: When can you imprison someone indefinitely? That was at the heart of two Supreme Court rulings yesterday. The Court’s answer: not when it’s a juvenile offender who didn’t commit murder, but O.K. if it’s a sex offender—even one who has served his term.

To watch for in today’s primaries: Clues to the power of the Tea Party movement and of discontent with incumbents. Turnout will be revealing, Chris Cillizza, of the Washington Post, says, especially in the special election for John Murtha’s seat—an indicator of just how motivated Republicans are. Talking Points Memo has a clear outline of today’s races. And the Daily Beast’s Mark McKinnon sums up the day in bumper sticker form: “Wanted: Candidates. No experience preferred.”